If you're referring to water, it's not required that you drink 8 glasses, just enough that you keep yourself hydrated.
Yes D is the right answer
The parts wich are derived from these three areas include:the cerebellum,the brain stem of the brain stem consists of the parts:the midbrain,bridge brain,the medulla oblongata.other parts of the brain including the thalamus,hypothalamus and limbic device.
Except for researcher opinion. An opinion is an announcement portraying an individual conviction or felt that can't be tried (or has not been tried) and is unsupported by prove. A hypothesis is normally an expectation in light of some perception or proof. Speculations must be testable, and once tried, they can be upheld by confirm.
